All Slack Alternatives Reviewed
Microsoft Teams
Communication
TOP PICK
★★★★☆
4.2
·
Free / from $6/mo
·
Free plan
Microsoft's team collaboration platform. Deep integration with Office 365 makes it the default for enterprise and Microsoft-first teams.
✓ Pros
✓Free with Microsoft 365
✓Deep Office integration
✓Good video meetings
✗ Cons
✗Clunky UI vs Slack
✗Slow performance
Best for: Microsoft 365 users and enterprises
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Lark
Collaboration
★★★★☆
4.3
·
Free / from $12/mo
·
Free plan
All-in-one collaboration suite combining messaging, video, docs, sheets, and project management. Strong Slack alternative.
✓ Pros
✓All-in-one platform
✓Generous free plan
✓Built-in docs and sheets
✗ Cons
✗Less polished than Slack
✗Smaller integration ecosystem
Best for: Teams wanting all-in-one at lower cost
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Zoom
Communication
★★★★½
4.5
·
Free / from $15.99/mo
·
Free plan
The most reliable video conferencing tool. 40-minute meetings free, with webinars, phone, and team chat on paid plans.
✓ Pros
✓Best video quality
✓Most reliable
✓Easy to join
✗ Cons
✗40-min limit on free plan
✗Privacy concerns historically
Best for: Video meetings and webinars
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Loom
Communication
★★★★½
4.6
·
Free / from $15/mo
·
Free plan
Async video messaging tool. Record your screen and camera to share updates, feedback, or demos without a meeting.
✓ Pros
✓Eliminates unnecessary meetings
✓Fast to record and share
✓Great for feedback
✗ Cons
✗Not for live meetings
✗Video limit on free plan
Best for: Async-first remote teams
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Notion
Project Management
★★★★½
4.7
·
Free / from $10/mo
·
Free plan
All-in-one workspace combining notes, wikis, databases, and project tracking. Highly flexible and beloved by knowledge workers.
✓ Pros
✓Incredibly flexible
✓Great for knowledge management
✓Beautiful interface
✗ Cons
✗Can be overwhelming to set up
✗Offline mode limited
Best for: Teams wanting a flexible all-in-one workspace
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Airtable
Database
★★★★½
4.5
·
Free / from $20/mo
·
Free plan
Spreadsheet-database hybrid. Build apps, track projects, and organize anything in a visual, flexible interface.
✓ Pros
✓Extremely flexible
✓Great views (gallery, kanban, calendar)
✓Good automations
✗ Cons
✗Expensive on paid plans
✗Record limits on free plan
Best for: Teams needing flexible data management
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Side-by-Side Comparison
Frequently Asked Questions
What is the best free Slack alternative?+
Lark — free for unlimited messages, video calls, and document collaboration. Stronger feature set than Slack's free tier.
Is Microsoft Teams better than Slack?+
Teams integrates more deeply with Microsoft 365 and is included in most M365 subscriptions. Slack has a better third-party app ecosystem and UX.